4.2.1 Class types

4.2.1 Class types

Visual Studio .NET 2003

A class type defines a data structure that contains data members (constants and fields), function members (methods, properties, events, indexers, operators, instance constructors, destructors and static constructors), and nested types. Class types support inheritance, a mechanism whereby derived classes can extend and specialize base classes. Instances of class types are created using object-creation-expressions (Section

Class types are described in Section 10.

Certain predefined class types have special meaning in the C# language, as described in the following table.

Class type Description
System.Object The ultimate base class of all other types (Section 4.2.2).
System.String The string type of the C# language (Section 4.2.3).
System.ValueType The base class of all value types (Section 4.1.1).
System.Enum The base class of all enum types (Section 14).
System.Array The base class of all array types (Section 12).
System.Delegate The base class of all delegate types (Section 15).
System.Exception The base class of all exception types (Section 16).
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